Triple
T5501678
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Railfreight |
E144342
|
entity |
| Predicate | hasSubDivision |
P747
|
FINISHED |
| Object |
Railfreight Metals
Railfreight Metals was a specialized British Rail freight sector focused on the transportation of metal products and related bulk materials by rail.
|
E534493
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Railfreight Metals | Statement: [Railfreight, hasSubDivision, Railfreight Metals]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Railfreight Metals Context triple: [Railfreight, hasSubDivision, Railfreight Metals]
-
A.
PSC Metals
PSC Metals is a U.S.-based scrap metal recycling and processing company known for buying, processing, and selling ferrous and nonferrous metals.
-
B.
Union Steel
Union Steel was an American steel company historically associated with industrialist and financier Andrew W. Mellon.
-
C.
Special Metals Corporation
Special Metals Corporation is a leading manufacturer of high-performance nickel-based alloys and superalloys used in demanding aerospace, power generation, and industrial applications.
-
D.
Iron and Steel Corporation of Great Britain
The Iron and Steel Corporation of Great Britain was a nationalized holding body that owned and managed most of the British iron and steel industry in the early postwar period.
-
E.
Federal Steel Company
Federal Steel Company was a major late-19th-century American steel producer that became one of the principal constituents of the newly formed United States Steel Corporation.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Railfreight Metals Triple: [Railfreight, hasSubDivision, Railfreight Metals]
Generated description
Railfreight Metals was a specialized British Rail freight sector focused on the transportation of metal products and related bulk materials by rail.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Railfreight Metals Target entity description: Railfreight Metals was a specialized British Rail freight sector focused on the transportation of metal products and related bulk materials by rail.
-
A.
PSC Metals
PSC Metals is a U.S.-based scrap metal recycling and processing company known for buying, processing, and selling ferrous and nonferrous metals.
-
B.
Union Steel
Union Steel was an American steel company historically associated with industrialist and financier Andrew W. Mellon.
-
C.
Special Metals Corporation
Special Metals Corporation is a leading manufacturer of high-performance nickel-based alloys and superalloys used in demanding aerospace, power generation, and industrial applications.
-
D.
Iron and Steel Corporation of Great Britain
The Iron and Steel Corporation of Great Britain was a nationalized holding body that owned and managed most of the British iron and steel industry in the early postwar period.
-
E.
Federal Steel Company
Federal Steel Company was a major late-19th-century American steel producer that became one of the principal constituents of the newly formed United States Steel Corporation.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69c008f5a2748190bce7a39aabf87a6d |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c021d76e4081908570dc34217c66fe |
completed | March 22, 2026, 5:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c04ca3e7cc8190b8092983f8db66b6 |
completed | March 22, 2026, 8:10 p.m. |
| NEDg | Description generation | batch_69c04e827bdc819086e01e7043400452 |
completed | March 22, 2026, 8:18 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c04f088a3c81909610f1a564960e0f |
completed | March 22, 2026, 8:20 p.m. |
Created at: March 22, 2026, 3:32 p.m.